Weathering reference – Dilapidated walls

During my recent visit to the buildings of the former Small Arms. Ltd. plant in Long branch, I couldn’t not notice the state in which many of the walls were. After many years of neglect, exposure to all weather elements and vandalism, they clearly reflected overall shape of the building. While I was sorry to see this building be in such a state, it nevertheless provided more than interesting reference for any potential diorama projects.

So now I just have to discover some secret technique how to replicate this effect in scale, what do you think?